//
//  SingleDemo.h
//  GCDDemo
//
//  Created by zxs on 2020/4/30.
//  Copyright © 2020 zxs. All rights reserved.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface SingleDemo : NSObject

// 获取单例对象
+ (instancetype)sharedInstance;

@end

NS_ASSUME_NONNULL_END
